:root {
    --primary-color: #0a9396;
    /* Fern Green */
    --secondary-color: #005f73;
    /* Deep Ocean Blue */
    --accent-color: #94d2bd;
    /* Light Green */
    --text-color: #2D3748;
    --bg-light: #F0FDF4;
    /* Very light green tint */
    --white: #ffffff;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-light);
}

/* Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.navbar-brand {
    font-weight: 700;
    color: var(--secondary-color) !important;
    font-size: 1.5rem;
}

.nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    margin-left: 1rem;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    padding: 0.6rem 1.8rem;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(10, 147, 150, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(10, 147, 150, 0.4);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 85vh;
    min-height: 600px;
    background-image: url('../images/hero.webp');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 95, 115, 0.85), rgba(10, 147, 150, 0.7));
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.hero-subtitle {
    font-size: 1.35rem;
    margin-bottom: 2.5rem;
    max-width: 650px;
    opacity: 0.95;
}

/* Services Section */
.service-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2.5rem;
    height: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.03);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    display: inline-block;
}

/* About Section */
.about-section {
    background-color: var(--white);
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 5rem 0 2rem;
    position: relative;
}

.footer a {
    color: #E2E8F0;
    text-decoration: none;
    transition: color 0.3s;
}

.footer a:hover {
    color: var(--white);
}

.footer-heading {
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

/* Logo Responsive */
.logo-img {
    height: 120px;
    width: auto;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .logo-img {
        height: 55px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-section {
        min-height: 500px;
        height: 70vh;
    }

    .navbar {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }

    .service-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }

    .btn-primary {
        padding: 0.5rem 1.2rem;
        font-size: 0.9rem;
    }

    .nav-link {
        margin-left: 0;
        padding: 0.5rem 0;
    }
}

@media (max-width: 576px) {
    .logo-img {
        height: 45px;
    }

    .hero-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .hero-section {
        min-height: 400px;
    }

    .service-icon {
        font-size: 2.5rem;
    }

    .service-card {
        padding: 1.2rem;
    }
}